<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>添加商品</h1>
<form action="/insert">
  <input type="text"name="title" placeholder="商品标题">
  <input type="text"name="price" placeholder="商品价格">
  <input type="text"name="num" placeholder="商品库存">
  <input type="submit"value="添加">
</form>

</body>
</html>